Limit cycles of infinity in a quintic polynomial system 一類五次多項(xiàng)式系統(tǒng)無窮遠(yuǎn)點(diǎn)的極限環(huán)
Stability of equator for a class of 2n 1 degree polynomial system 1次多項(xiàng)式系統(tǒng)赤道環(huán)的穩(wěn)定性
The global semi - stability of two kinds of the polynomial system 兩類高次多項(xiàng)式系統(tǒng)的全局半穩(wěn)定性
Study of center focus decision problem for a type of polynomial system 一類多項(xiàng)式系統(tǒng)中心焦點(diǎn)判定問題的研究
In chapter 6 , the following general real planar odd polynomial system is studied 在第六章,我們研究一般實(shí)平面奇數(shù)次多項(xiàng)式微分系統(tǒng)ide 、 , , , 。
Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two 一類余維2的高次退化平面多項(xiàng)式系統(tǒng)的極限環(huán)分布
Finding all isolated solutions of polynomial systems of equations has very wide applications in many fields of science and engineering 多項(xiàng)式系統(tǒng)所有孤立解的計(jì)算在工程和科學(xué)上有著廣泛的應(yīng)用。
Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two is discussed 摘要討論了一類余維2的高次退化平面多項(xiàng)式系統(tǒng)的極限環(huán)分布,證明了此系統(tǒng)至多存在3個(gè)極限環(huán)。
Journal of symbolic computation , 1994 , : 585 - 595 . 16 gao x s , luo y . a characteristic set method for difference polynomial systems . in int 我們將特征列方法推廣到非線性差分方程組,證明了差分特征列的基本性質(zhì)給出了計(jì)算差分情形特征列的算法。
The m - homogeneous homotopy method gives a better upper bound for the number of solutions to a polynomial system . however , two crucial problems are conferred when getting this bound 在計(jì)算上界的過程中遇到了兩個(gè)問題,這兩個(gè)問題計(jì)算的復(fù)雜度本質(zhì)上都是指數(shù)量級(jí)的。